1. Department of Obstetrics and Gynecology, University of Colorado Denver, Aurora, Colorado
2. Department of Obstetrics and Gynecology, Maison Blanche's Hospital, University of Reims, Champagne-Ardenne, France
3. Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah
4. Department of Obstetrics and Gynecology, Denver Health and Hospital Authority, Denver, Colorado
5. University of Colorado School of Medicine, Aurora, Colorado